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Eclipse Beginner's Notes (2)

Source: Internet
Author: User
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Beginner
Use of 4.Junit







































First we add an ABS () method to the Hello class to return the absolute value







































public int abs (int n) {







































Return N>0?n: (-N);







































}







































Select Helloworld.java, right click, select New->junit Test case:







































After you ask if you want to add a Junit.jar package, Eclipse creates a new HelloWorldTest class to test the HelloWorld class.







































Select Setup () and teardown (), and then click "Next":

















































































Select the method you want to test, tick the front.

















































































Then add the test code to the HelloWorldTest:

















































































Click Run as junit and switch to JUnit on the left navigation bar. If the test passes, it will be green.







































5. Add Tomcat Application

















































































Follow the wizard. You can see that the following additions are added to the server.xml:







































<context path= "/testapp" reloadable= "true" docbase= D:\eclipse\workspace\testApp "workdir=" D:\eclipse\workspace \testapp\work\org\apache\jsp "/>







































If you right-click src to add packages and classes, the save is automatically added to the classes.







































Right-click TestApp New File index.jsp and add the following:







































<%@ page contenttype= "TEXT/HTML;CHARSET=GBK"%>





























































































































































<title>







































Helloworld







































</title>














































































<body>







































helloworld!







































</body>














































































Then start Tomcat and enter http://127.0.0.1:8080/testApp/index.jsp in the browser to see the contents of the index.






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